10 printings of Phyrexian Hulk
They range from $0.05 to $0.26 — a 5× difference for a card with the same name. The set code and collector number printed along the bottom edge are what tell them apart.
| Eighth Edition | 8ED 310★ | — |
| Seventh Edition | 7ED 312★ | — |
| Ninth Edition | 9ED 306★ | — |
| Duel Decks: Phyrexia vs. the Coalition | DDE 14 | $0.26 |
| Tempest | TMP 302 | $0.24 |
| Eighth Edition | 8ED 310 | $0.20 |
| Magic 2013 | M13 209 | $0.12 |
| Ninth Edition | 9ED 306 | $0.09 |
| New Phyrexia | NPH 150 | $0.05 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.